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Finding the Fourth Proportional to 171,791.31, 237,299.22 and 143,204.43

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Solution

The fourth proportional to 171,791.31, 237,299.22 and 143,204.43 is: 197,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,791.31 : 237,299.22 = 143,204.43 : x
  2. Step 2: Convert to fraction form
    171,791.31/237,299.22 = 143,204.43/x
  3. Step 3: Cross multiply
    171,791.31x = 237,299.22 × 143,204.43
  4. Step 4: Simplify right side
    171,791.31x = 33,982,299,539.54
  5. Step 5: Solve for x
    x = 33,982,299,539.54/171,791.31
  6. Step 6: Final answer
    x = 197,811.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.